WO2020248932A1 - Silencieux de vanne et vanne de détente électronique associée - Google Patents

Silencieux de vanne et vanne de détente électronique associée Download PDF

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Publication number
WO2020248932A1
WO2020248932A1 PCT/CN2020/094899 CN2020094899W WO2020248932A1 WO 2020248932 A1 WO2020248932 A1 WO 2020248932A1 CN 2020094899 W CN2020094899 W CN 2020094899W WO 2020248932 A1 WO2020248932 A1 WO 2020248932A1
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WO
WIPO (PCT)
Prior art keywords
valve
outlet
inlet
silencer
electronic expansion
Prior art date
Application number
PCT/CN2020/094899
Other languages
English (en)
Chinese (zh)
Inventor
贺宇辰
冯晶
Original Assignee
浙江盾安人工环境股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to KR1020217038380A priority Critical patent/KR102630724B1/ko
Priority to JP2021551751A priority patent/JP7429707B2/ja
Publication of WO2020248932A1 publication Critical patent/WO2020248932A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • This application relates to the technical field of refrigeration equipment, in particular to valve silencers and electronic expansion valves.
  • Valves are the control components in the fluid piping system, which play the role of throttling and pressure reduction, opening and closing, and flow adjustment. They are usually used in piping systems such as refrigeration systems and heating systems.
  • a valve silencer including a body.
  • the main body has a liquid inlet side and a liquid outlet side opposite to each other, a plurality of through holes are opened on the main body, and the through holes connect the liquid inlet side and the liquid outlet side, and the plurality of through holes are opposite to each other.
  • the axis of the main body is inclined in a clockwise direction or inclined in a counterclockwise direction.
  • the medium is blocked when it encounters the valve muffler, and is divided into multiple strands when flowing through the valve muffler.
  • the through holes are arranged obliquely with respect to the axis of the body, and the inclination direction of each through hole is the same, so that the medium passing through the valve muffler is in a rotating state through the drainage of the through hole, so that the medium enters and exits. After the liquid side is further mixed, bubbles with larger diameters are eliminated, and the size of the bubbles is uniform, thereby reducing noise during the flow process and achieving the effect of noise reduction.
  • a plurality of the through holes are evenly distributed along the circumferential direction of the body, and each of the through holes is arranged spirally with respect to the axis of the body.
  • the medium can exhibit regular rotation after flowing through the valve muffler, reducing the cross-collision of multiple fluids to control noise.
  • the noise generated by the rotation of the fluid is small, while the violent collision of multiple fluids It will cause the expansion of noise, so when increasing the rotation of the fluid itself to improve the mixing effect, minimize the cross impact between the fluids to suppress the generation of noise.
  • the cross-sectional area of the through hole gradually decreases from the liquid inlet side to the liquid outlet side. In this way, when the medium flows through the through hole, the cross-sectional area of the through hole gradually decreases, which can reduce the resistance of the through hole to the medium.
  • the cross section of the through hole is any one of a circle, an ellipse, a square, a triangle, a trapezoid, or a sector.
  • a tapered protrusion is provided at the center point of the body and on the side facing the liquid inlet side. In this way, when the medium on the liquid inlet side flows to the liquid outlet side, the tapered protrusion plays a role of diversion, so that the flow of the medium is smoother.
  • the thickness of the body ranges from 3 mm to 5 mm. In this way, the flow stroke of the medium in the through hole is increased, thereby enhancing the drainage effect of the through hole on the medium.
  • the application also provides an electronic expansion valve, which includes the valve silencer described above.
  • the valve silencer is provided to eliminate the noise during the operation of the electronic expansion valve, thereby improving the user's comfort.
  • the electronic expansion valve further includes a valve body, an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe are respectively connected to the valve body, and the valve muffler is arranged on the inlet pipe.
  • the pipe and/or the outlet pipe is close to one end of the valve body.
  • the valve body has an inlet and an outlet, the inlet pipe is connected to the inlet, the outlet pipe is connected to the outlet, and the valve silencer is arranged at the inlet and / Or exit.
  • valve silencer is provided at the inlet and the outlet, and the silencer at the inlet abuts against the end surface of one end of the inlet pipe.
  • the outlet is horn-shaped, and the diameter of the end close to the valve silencer is larger than the diameter of the end far away from the valve silencer. This arrangement reduces the flow resistance of the medium entering the valve muffler.
  • the inlet pipe and/or the outlet pipe are provided with a connecting portion, the connecting portion of the inlet pipe is in interference fit with the inlet, and the connecting portion of the outlet pipe is in interference fit with the outlet. Cooperate. In this way, the firmness of the outlet pipe, the inlet pipe and the valve body can be enhanced.
  • Fig. 1 is a cross-sectional view of an electronic expansion valve in a first embodiment provided by this application;
  • FIG. 3 is a cross-sectional view of the electronic expansion valve in a third embodiment provided by this application.
  • Figure 5 is an enlarged view of A in Figure 1;
  • Figure 6 is an enlarged view of B in Figure 2;
  • FIG. 7 is a schematic structural diagram of the valve muffler in the first embodiment provided by this application.
  • FIG. 8 is a schematic structural diagram of a valve muffler in a second embodiment provided by this application.
  • Fig. 9 is a schematic structural diagram of a valve muffler in a third embodiment provided by this application.
  • FIG. 10 is a schematic structural diagram of a valve muffler in a fourth embodiment provided by this application.
  • 100 represents an electronic expansion valve
  • 110 represents a valve body
  • 111 represents an inlet
  • 112 represents an outlet
  • 113 represents a connecting seat
  • 114 represents an opening
  • 120 represents an inlet pipe
  • 121 represents a connecting part
  • 130 represents an outlet pipe
  • 140 represents a valve silencer
  • 141 142 represents the through hole
  • 143 represents the liquid inlet side
  • 144 represents the liquid outlet side
  • 145 represents the tapered protrusion.
  • This application provides an electronic expansion valve 100, which is used in a refrigeration system and is installed between the condenser and the evaporator to control the on and off of the pipeline, throttling, and adjust the flow of the medium in the refrigeration system And so on.
  • the electronic expansion valve 100 is applied to a stepless variable capacity (stepless variable frequency) refrigeration system.
  • the electronic expansion valve 100 has a wide range of medium flow adjustment and fast adjustment response, which can well meet the stepless variable capacity refrigeration system. System requirements.
  • the electronic expansion valve 100 may also be used in a constant capacity refrigeration system or other refrigeration systems.
  • the electronic expansion valve 100 includes a valve body 110, an inlet pipe 120, an outlet pipe 130, and a valve silencer 140.
  • the inlet pipe 120 and the outlet pipe 130 are connected to the valve body 110.
  • the valve silencer 140 is used to reduce the temperature of the electronic expansion valve 100. Noise at work.
  • valve body 110 is provided with an inlet 111 and an outlet 112, the inlet pipe 120 is connected to the inlet 111, and the outlet pipe 130 is connected to the outlet 112.
  • the inlet pipe 120 and/or the outlet pipe 130 are respectively provided with a connecting portion 121, the inlet 111 of the valve body 110 is in interference fit with the connecting portion 121 of the inlet pipe 120, and the outlet 112 is in interference fit with the connecting portion 121 of the outlet pipe 130 Moreover, the inlet pipe 120 and the outlet pipe 130 are fixed to the valve body 10 by welding.
  • the valve silencer 140 is arranged at one end of the inlet pipe 120 and/or the outlet pipe 130 close to the valve body 110; of course, the valve silencer 140 can also be arranged at the inlet 111 and/or the outlet 112 of the valve body 110. It can be understood that the medium at the inlet 111 of the electronic expansion valve 100 may be in a gas-liquid mixed state due to insufficient subcooling, or there may be bubbles of different sizes.
  • the valve silencer 140 is installed at the inlet 111 to eliminate the entry valve.
  • the large bubbles in the medium in the body 110 prevent the large bubbles from entering the valve body 110 and breaking and causing noise; while the medium at the outlet 112 of the electronic expansion valve 100, after throttling and depressurization, a part of the medium flashes into a gaseous state to make The medium at the outlet 112 is in a gas-liquid mixed state, and there are bubbles of different sizes in the medium.
  • the valve silencer 140 is provided at the outlet 112, which can effectively eliminate large bubbles and eliminate noise.
  • the setting mode of the valve silencer 140 is flexibly set according to actual needs, and the specific optional setting modes include at least the following:
  • valve silencer 140 is disposed in the outlet 112 of the valve body 110, and the outlet 112 of the valve body 110 is located in the outlet pipe 130;
  • valve silencer 140 is arranged in the valve inlet 111 and the outlet 112.
  • the valve silencer 140 at the inlet 111 is abutted by the inlet pipe 120.
  • fixing the muffler 140 the structure is simple, and the valve muffler 140 in the outlet pipe 130 is arranged in the same manner as in the first embodiment;
  • the valve silencer 140 is arranged at the inlet 111 and the outlet 112 of the valve body 110, and the valve silencer 140 at the inlet 111 is arranged in the inlet pipe 120.
  • the tube wall of the tube 130 shrinks and deforms to fix the valve muffler 140, the valve muffler 140 at the outlet 112 is arranged in the outlet pipe 130, and the valve muffler 140 is fixed by deforming the outlet pipe 130;
  • the valve body 110 is provided with a connecting seat 113, the connecting seat 113 is provided with an outlet 112, the outlet 112 is horn-shaped, and the outlet 112 is close to one end of the valve muffler 140
  • the diameter is larger than the diameter of the end away from the valve muffler 140, and the valve muffler 140 is arranged at the horn-shaped outlet 112.
  • the connecting seat 113 is also provided with an opening 114 communicating with the outlet 112.
  • the opening 114 is in a horn shape.
  • the diameter of the end of the opening 114 close to the valve muffler 140 is smaller than the diameter of the end far away from the valve muffler 140.
  • the medium first flows out through the opening 114 to the outlet 112.
  • the cross-sectional area first gradually decreases and then gradually increases, which can guide the flow of the medium and reduce the resistance to the flow of the medium.
  • the valve muffler 140 includes a body 141 having a liquid inlet side 143 and a liquid outlet side 144 oppositely arranged.
  • the body 141 is provided with a plurality of through holes 142 passing through the body 141.
  • the liquid inlet side 143 is connected to the liquid outlet side 144, and the plurality of through holes 142 are inclined in a clockwise direction or arranged in a counterclockwise direction with respect to the axis of the main body 141.
  • the medium is blocked when it encounters the valve muffler 140, and is divided into multiple strands when flowing through the valve muffler 140.
  • the holes 142 are arranged in a clockwise direction or both in a counterclockwise direction, so that the medium passing through the through hole 142 of the valve muffler 140 rotates through the drainage of the through hole 142, so that the cold medium enters the liquid outlet side 144.
  • the number of large bubbles is reduced, so that the size of the bubbles is evenly distributed, thereby reducing noise in the flow and achieving the effect of noise reduction.
  • the through hole 142 is inclined clockwise or counterclockwise around the axis of the main body 141.
  • the shape of the through hole 142 may be a spiral or an inclined oblique hole. It can be understood that the structure of the through hole 142 is to make the medium form a state of rotation, and the rotation of the medium can be realized by setting it uniformly to tilt clockwise or counterclockwise.
  • the plurality of through holes 142 are evenly distributed along the circumference of the body 141, and each through hole 142 is arranged in a spiral shape relative to the axis of the body 141.
  • the medium flows through the valve muffler 140 and then exhibits regular rotation, which reduces the cross collision of multiple fluids to control noise.
  • the noise generated by the rotation of the fluid is small, and the violent collision of multiple fluids will cause the expansion of the noise. Therefore, when increasing the rotation of the fluid itself to improve the mixing effect, minimize the cross impact between the fluids. Suppress the remaining noise.
  • the cross-sectional area of the through hole 142 gradually decreases, which facilitates the flow of the medium. It can be understood that when the medium flows through the through hole 142, the cross-sectional area of the through hole 142 gradually decreases, which can guide the flow of the medium. If the cross-sectional area of the through hole 142 does not gradually decrease, the cross-sectional area of the through hole 142 The inner wall will form steps, which will block the flow of the medium.
  • the cross section of the through hole 142 is any one of a circle, an ellipse, a square, a triangle, a trapezoid, or a fan shape. It can be understood that the present application does not limit the cross-sectional shape of the through hole 142, as long as the cross-sectional area of the through hole 142 gradually decreases from the liquid inlet side 143 to the liquid outlet side 144.
  • a tapered protrusion 145 is provided at the center point of the body 141 toward the liquid inlet side 143. It can be understood that this arrangement makes the inlet side 143 of the main body 141 form a drainage structure to guide the flow of the medium and make the flow of the medium smoother.
  • the thickness of the main body 141 in the axial direction ranges from 1 mm to 5 mm.
  • the thickness of the body 141 ranges from 3 mm to 5 mm. It can be understood that by increasing the thickness of the main body 141, the thickness of the through hole 142 is also increased, which can enhance the drainage effect of the medium, thereby increasing the rotation of the medium and improving the effect of eliminating large bubbles.
  • valve silencer 140 described above is not limited to being used in the electronic expansion valve 100 provided in this application.
  • the valve silencer 140 can also be used in other valves, such as thermal expansion valves, Solenoid valves, etc., the valve silencer 140 can also be installed in the ball valve in the heating system or in the valves of other piping systems, which can have the effect of silencer.
  • valve silencer 140 This application provides four preferred embodiments of the valve silencer 140:
  • FIG. 7 is a schematic structural diagram of the valve muffler 140 in the first embodiment provided by the application.
  • the cross-section of the through hole 142 is circular, and the cross-section of the through hole 142 is circular.
  • the side 143 to the liquid outlet side 144 gradually decrease.
  • FIG. 8 is a schematic structural diagram of the valve muffler in the second embodiment provided by this application.
  • the cross-section of the through hole 142 is triangular or fan-shaped, and is viewed from the inlet side 143 To the liquid outlet side 144 gradually decreases.
  • FIG. 9 is a schematic structural diagram of the valve muffler 140 in the third embodiment provided by this application.
  • the cross section of the through hole 142 is rectangular and extends from the liquid inlet side 143 to The liquid outlet side 144 gradually decreases.
  • FIG. 10 is a schematic structural diagram of the valve muffler 140 in the fourth embodiment provided by this application.
  • the cross-section of the through hole 142 is rectangular and extends from the liquid inlet side 143 to The liquid outlet side 144 is gradually reduced, and a tapered protrusion 145 is provided at the center of the body 141 for diversion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
  • Pipe Accessories (AREA)

Abstract

La présente invention concerne un silencieux de vanne (140) qui comprend un corps (141), le corps (141) étant pourvu d'un côté d'entrée de liquide (143) et d'un côté de sortie de liquide (144) qui sont disposés à l'opposé l'un de l'autre, de multiples trous traversants (142) sont disposés sur le corps (141), les trous traversants (142) font communiquer le côté d'entrée de liquide (143) avec le côté de sortie de liquide (144), et des axes, par rapport au corps (141), des multiples trous traversants sont agencés obliquement dans le sens horaire ou agencés obliquement dans le sens antihoraire.
PCT/CN2020/094899 2019-06-13 2020-06-08 Silencieux de vanne et vanne de détente électronique associée WO2020248932A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020217038380A KR102630724B1 (ko) 2019-06-13 2020-06-08 밸브 소음기 및 이의 전자 팽창 밸브
JP2021551751A JP7429707B2 (ja) 2019-06-13 2020-06-08 弁消音器及びその電子膨張弁

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920883988.9U CN211059467U (zh) 2019-06-13 2019-06-13 阀门消音器及其电子膨胀阀
CN201920883988.9 2019-06-13

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WO2020248932A1 true WO2020248932A1 (fr) 2020-12-17

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PCT/CN2020/094899 WO2020248932A1 (fr) 2019-06-13 2020-06-08 Silencieux de vanne et vanne de détente électronique associée

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JP (1) JP7429707B2 (fr)
KR (1) KR102630724B1 (fr)
CN (1) CN211059467U (fr)
WO (1) WO2020248932A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN116499145A (zh) * 2021-05-07 2023-07-28 广东威灵电机制造有限公司 电子膨胀阀和制冷设备
CN114352798B (zh) * 2022-01-26 2023-01-03 广东威灵电机制造有限公司 电子膨胀阀和制冷设备

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JP2007162851A (ja) * 2005-12-14 2007-06-28 Fuji Koki Corp 電動弁
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CN205278446U (zh) * 2016-01-05 2016-06-01 盐城市精工阀门有限公司 一种出流口内设有降噪板的焊接球阀
CN207093798U (zh) * 2017-07-21 2018-03-13 浙江力诺流体控制科技股份有限公司 新型高压调节阀
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CN110513532A (zh) * 2019-08-15 2019-11-29 浙江盾安禾田金属有限公司 阀门消音器及具有该阀门消音器的电子膨胀阀

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Publication number Priority date Publication date Assignee Title
CN1948795A (zh) * 2005-10-14 2007-04-18 株式会社不二工机 电动阀
JP2007162851A (ja) * 2005-12-14 2007-06-28 Fuji Koki Corp 電動弁
CN201121713Y (zh) * 2007-11-06 2008-09-24 浙江三花股份有限公司 一种阀结构和电子膨胀阀
CN205278446U (zh) * 2016-01-05 2016-06-01 盐城市精工阀门有限公司 一种出流口内设有降噪板的焊接球阀
WO2018131122A1 (fr) * 2017-01-12 2018-07-19 三菱電機株式会社 Détendeur et dispositif à cycle de réfrigération équipé de celui-ci
CN207093798U (zh) * 2017-07-21 2018-03-13 浙江力诺流体控制科技股份有限公司 新型高压调节阀
CN110173593A (zh) * 2018-02-21 2019-08-27 株式会社鹭宫制作所 流量控制阀以及冷冻循环系统
CN110513532A (zh) * 2019-08-15 2019-11-29 浙江盾安禾田金属有限公司 阀门消音器及具有该阀门消音器的电子膨胀阀

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CN211059467U (zh) 2020-07-21
JP7429707B2 (ja) 2024-02-08
KR20220002470A (ko) 2022-01-06
KR102630724B1 (ko) 2024-01-29
JP2022535640A (ja) 2022-08-10

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